115400093 has 2 divisors, whose sum is σ = 115400094. Its totient is φ = 115400092.

The previous prime is 115400081. The next prime is 115400113. The reversal of 115400093 is 390004511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108201604 + 7198489 = 10402^2 + 2683^2 .

It is a cyclic number.

It is not a de Polignac number, because 115400093 - 2¹⁸ = 115137949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115400293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57700046 + 57700047.

It is an arithmetic number, because the mean of its divisors is an integer number (57700047).

Almost surely, 2^115400093 is an apocalyptic number.

It is an amenable number.

115400093 is a deficient number, since it is larger than the sum of its proper divisors (1).

115400093 is an equidigital number, since it uses as much as digits as its factorization.

115400093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 115400093 is about 10742.4435302216. The cubic root of 115400093 is about 486.8577110601.

The spelling of 115400093 in words is "one hundred fifteen million, four hundred thousand, ninety-three".